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Analysis

  • max time kernel
    141s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 16:33

General

  • Target

    NEAS.2fc5e7d3dacc43e663d4457cdf55b046_JC.exe

  • Size

    363KB

  • MD5

    2fc5e7d3dacc43e663d4457cdf55b046

  • SHA1

    e00e081cb608ff2ff88beb357c13faa8cfb3262a

  • SHA256

    b58f0d16511cdf3a235f610f196a9dc41381468bf01d625e7821a0dbb5e7c510

  • SHA512

    071ba12874c92f7310f47249e000587f19947781a69818708e936858670819c5995edb543d5172128cdd690792fa6f801aac7c3e541ed404447220331d07b128

  • SSDEEP

    6144:ej2xExsY5tTDUZNSN58VU5tT+JG2K565tTDUZNSN58VU5tT:bK5t6NSN6G5t6Gds5t6NSN6G5t

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 8 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 12 IoCs
  • Drops file in System32 directory 12 IoCs
  • Program crash 1 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.2fc5e7d3dacc43e663d4457cdf55b046_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.2fc5e7d3dacc43e663d4457cdf55b046_JC.exe"
    1⤵
    • Adds autorun key to be loaded by Explorer.exe on startup
    • Loads dropped DLL
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Windows\SysWOW64\Bnielm32.exe
      C:\Windows\system32\Bnielm32.exe
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1836
      • C:\Windows\SysWOW64\Blobjaba.exe
        C:\Windows\system32\Blobjaba.exe
        3⤵
        • Adds autorun key to be loaded by Explorer.exe on startup
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:2132
        • C:\Windows\SysWOW64\Bfkpqn32.exe
          C:\Windows\system32\Bfkpqn32.exe
          4⤵
          • Adds autorun key to be loaded by Explorer.exe on startup
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:2648
          • C:\Windows\SysWOW64\Cacacg32.exe
            C:\Windows\system32\Cacacg32.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2612
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 140
    1⤵
    • Loads dropped DLL
    • Program crash
    PID:2516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Bfkpqn32.exe

    Filesize

    363KB

    MD5

    dece9d7ef2e970818364f2fce07d4626

    SHA1

    f46a95d667523d5d863e0a59fccde7e622a3f2ba

    SHA256

    b99e450978acc3f907e388cfe56dbfaa340ed22fadfe022590bbd201187bffc0

    SHA512

    244d5f2652288c5f67d22ef8829cddbeb0d94bd94ca2ccdaaba893fda9b430e2729b17691f02f2ff6093cc4f9f34f3efbc006032502b08bdd2d6921e9daaa581

  • C:\Windows\SysWOW64\Bfkpqn32.exe

    Filesize

    363KB

    MD5

    dece9d7ef2e970818364f2fce07d4626

    SHA1

    f46a95d667523d5d863e0a59fccde7e622a3f2ba

    SHA256

    b99e450978acc3f907e388cfe56dbfaa340ed22fadfe022590bbd201187bffc0

    SHA512

    244d5f2652288c5f67d22ef8829cddbeb0d94bd94ca2ccdaaba893fda9b430e2729b17691f02f2ff6093cc4f9f34f3efbc006032502b08bdd2d6921e9daaa581

  • C:\Windows\SysWOW64\Bfkpqn32.exe

    Filesize

    363KB

    MD5

    dece9d7ef2e970818364f2fce07d4626

    SHA1

    f46a95d667523d5d863e0a59fccde7e622a3f2ba

    SHA256

    b99e450978acc3f907e388cfe56dbfaa340ed22fadfe022590bbd201187bffc0

    SHA512

    244d5f2652288c5f67d22ef8829cddbeb0d94bd94ca2ccdaaba893fda9b430e2729b17691f02f2ff6093cc4f9f34f3efbc006032502b08bdd2d6921e9daaa581

  • C:\Windows\SysWOW64\Blobjaba.exe

    Filesize

    363KB

    MD5

    749d92e251d353a9a6209d43cc721aa5

    SHA1

    021a4dab9a7fff576a5a11f428188f3185fe9d0e

    SHA256

    2ba843c5e124f8a3955b0d7f96ea302a21dada7a6ea71e04fda5535a83f153da

    SHA512

    d13059d6780cf2cf4fec070f13082271fd5c191ff8d3e2908395e476a616ffaea407093b46494b4405003e62f6bc7ece20d1e45d3e237bccc80d72237016b475

  • C:\Windows\SysWOW64\Blobjaba.exe

    Filesize

    363KB

    MD5

    749d92e251d353a9a6209d43cc721aa5

    SHA1

    021a4dab9a7fff576a5a11f428188f3185fe9d0e

    SHA256

    2ba843c5e124f8a3955b0d7f96ea302a21dada7a6ea71e04fda5535a83f153da

    SHA512

    d13059d6780cf2cf4fec070f13082271fd5c191ff8d3e2908395e476a616ffaea407093b46494b4405003e62f6bc7ece20d1e45d3e237bccc80d72237016b475

  • C:\Windows\SysWOW64\Blobjaba.exe

    Filesize

    363KB

    MD5

    749d92e251d353a9a6209d43cc721aa5

    SHA1

    021a4dab9a7fff576a5a11f428188f3185fe9d0e

    SHA256

    2ba843c5e124f8a3955b0d7f96ea302a21dada7a6ea71e04fda5535a83f153da

    SHA512

    d13059d6780cf2cf4fec070f13082271fd5c191ff8d3e2908395e476a616ffaea407093b46494b4405003e62f6bc7ece20d1e45d3e237bccc80d72237016b475

  • C:\Windows\SysWOW64\Bnielm32.exe

    Filesize

    363KB

    MD5

    c28abff31db36f187d7721a80ea940ca

    SHA1

    9ede610923c4ea6e9df0d71bb88b5bb7b3dfea15

    SHA256

    576dc2dcd0f0018e7e1a6e956139a349b916bb19664d89a44510fc4c90e862a9

    SHA512

    9074547114500c5d0db763ce0c046e509a63ccc7e503d37ad6a45df6caffd0b4b831bb1a7ba0f546f5920506f19f91fe6318c375082efa2c3ebbae77d65d3a82

  • C:\Windows\SysWOW64\Bnielm32.exe

    Filesize

    363KB

    MD5

    c28abff31db36f187d7721a80ea940ca

    SHA1

    9ede610923c4ea6e9df0d71bb88b5bb7b3dfea15

    SHA256

    576dc2dcd0f0018e7e1a6e956139a349b916bb19664d89a44510fc4c90e862a9

    SHA512

    9074547114500c5d0db763ce0c046e509a63ccc7e503d37ad6a45df6caffd0b4b831bb1a7ba0f546f5920506f19f91fe6318c375082efa2c3ebbae77d65d3a82

  • C:\Windows\SysWOW64\Bnielm32.exe

    Filesize

    363KB

    MD5

    c28abff31db36f187d7721a80ea940ca

    SHA1

    9ede610923c4ea6e9df0d71bb88b5bb7b3dfea15

    SHA256

    576dc2dcd0f0018e7e1a6e956139a349b916bb19664d89a44510fc4c90e862a9

    SHA512

    9074547114500c5d0db763ce0c046e509a63ccc7e503d37ad6a45df6caffd0b4b831bb1a7ba0f546f5920506f19f91fe6318c375082efa2c3ebbae77d65d3a82

  • C:\Windows\SysWOW64\Cacacg32.exe

    Filesize

    363KB

    MD5

    dc49999288bf121f80a004a0c8891f65

    SHA1

    4906c528a9af5395cba9a81d317f70c25e82945f

    SHA256

    37d0fb9e62211a43f64608b30360635b7d1be3c71fe2c0939a7859c88ec22a7e

    SHA512

    a4a05588d529f4a1534a64651e32650202463146aa52f2f9662dd1aac994183f5a22ee248d5521ae7c63296a541727331ada040f242d3512bd80ddeb8ccc5b2a

  • C:\Windows\SysWOW64\Cacacg32.exe

    Filesize

    363KB

    MD5

    dc49999288bf121f80a004a0c8891f65

    SHA1

    4906c528a9af5395cba9a81d317f70c25e82945f

    SHA256

    37d0fb9e62211a43f64608b30360635b7d1be3c71fe2c0939a7859c88ec22a7e

    SHA512

    a4a05588d529f4a1534a64651e32650202463146aa52f2f9662dd1aac994183f5a22ee248d5521ae7c63296a541727331ada040f242d3512bd80ddeb8ccc5b2a

  • \Windows\SysWOW64\Bfkpqn32.exe

    Filesize

    363KB

    MD5

    dece9d7ef2e970818364f2fce07d4626

    SHA1

    f46a95d667523d5d863e0a59fccde7e622a3f2ba

    SHA256

    b99e450978acc3f907e388cfe56dbfaa340ed22fadfe022590bbd201187bffc0

    SHA512

    244d5f2652288c5f67d22ef8829cddbeb0d94bd94ca2ccdaaba893fda9b430e2729b17691f02f2ff6093cc4f9f34f3efbc006032502b08bdd2d6921e9daaa581

  • \Windows\SysWOW64\Bfkpqn32.exe

    Filesize

    363KB

    MD5

    dece9d7ef2e970818364f2fce07d4626

    SHA1

    f46a95d667523d5d863e0a59fccde7e622a3f2ba

    SHA256

    b99e450978acc3f907e388cfe56dbfaa340ed22fadfe022590bbd201187bffc0

    SHA512

    244d5f2652288c5f67d22ef8829cddbeb0d94bd94ca2ccdaaba893fda9b430e2729b17691f02f2ff6093cc4f9f34f3efbc006032502b08bdd2d6921e9daaa581

  • \Windows\SysWOW64\Blobjaba.exe

    Filesize

    363KB

    MD5

    749d92e251d353a9a6209d43cc721aa5

    SHA1

    021a4dab9a7fff576a5a11f428188f3185fe9d0e

    SHA256

    2ba843c5e124f8a3955b0d7f96ea302a21dada7a6ea71e04fda5535a83f153da

    SHA512

    d13059d6780cf2cf4fec070f13082271fd5c191ff8d3e2908395e476a616ffaea407093b46494b4405003e62f6bc7ece20d1e45d3e237bccc80d72237016b475

  • \Windows\SysWOW64\Blobjaba.exe

    Filesize

    363KB

    MD5

    749d92e251d353a9a6209d43cc721aa5

    SHA1

    021a4dab9a7fff576a5a11f428188f3185fe9d0e

    SHA256

    2ba843c5e124f8a3955b0d7f96ea302a21dada7a6ea71e04fda5535a83f153da

    SHA512

    d13059d6780cf2cf4fec070f13082271fd5c191ff8d3e2908395e476a616ffaea407093b46494b4405003e62f6bc7ece20d1e45d3e237bccc80d72237016b475

  • \Windows\SysWOW64\Bnielm32.exe

    Filesize

    363KB

    MD5

    c28abff31db36f187d7721a80ea940ca

    SHA1

    9ede610923c4ea6e9df0d71bb88b5bb7b3dfea15

    SHA256

    576dc2dcd0f0018e7e1a6e956139a349b916bb19664d89a44510fc4c90e862a9

    SHA512

    9074547114500c5d0db763ce0c046e509a63ccc7e503d37ad6a45df6caffd0b4b831bb1a7ba0f546f5920506f19f91fe6318c375082efa2c3ebbae77d65d3a82

  • \Windows\SysWOW64\Bnielm32.exe

    Filesize

    363KB

    MD5

    c28abff31db36f187d7721a80ea940ca

    SHA1

    9ede610923c4ea6e9df0d71bb88b5bb7b3dfea15

    SHA256

    576dc2dcd0f0018e7e1a6e956139a349b916bb19664d89a44510fc4c90e862a9

    SHA512

    9074547114500c5d0db763ce0c046e509a63ccc7e503d37ad6a45df6caffd0b4b831bb1a7ba0f546f5920506f19f91fe6318c375082efa2c3ebbae77d65d3a82

  • \Windows\SysWOW64\Cacacg32.exe

    Filesize

    363KB

    MD5

    dc49999288bf121f80a004a0c8891f65

    SHA1

    4906c528a9af5395cba9a81d317f70c25e82945f

    SHA256

    37d0fb9e62211a43f64608b30360635b7d1be3c71fe2c0939a7859c88ec22a7e

    SHA512

    a4a05588d529f4a1534a64651e32650202463146aa52f2f9662dd1aac994183f5a22ee248d5521ae7c63296a541727331ada040f242d3512bd80ddeb8ccc5b2a

  • \Windows\SysWOW64\Cacacg32.exe

    Filesize

    363KB

    MD5

    dc49999288bf121f80a004a0c8891f65

    SHA1

    4906c528a9af5395cba9a81d317f70c25e82945f

    SHA256

    37d0fb9e62211a43f64608b30360635b7d1be3c71fe2c0939a7859c88ec22a7e

    SHA512

    a4a05588d529f4a1534a64651e32650202463146aa52f2f9662dd1aac994183f5a22ee248d5521ae7c63296a541727331ada040f242d3512bd80ddeb8ccc5b2a

  • \Windows\SysWOW64\Cacacg32.exe

    Filesize

    363KB

    MD5

    dc49999288bf121f80a004a0c8891f65

    SHA1

    4906c528a9af5395cba9a81d317f70c25e82945f

    SHA256

    37d0fb9e62211a43f64608b30360635b7d1be3c71fe2c0939a7859c88ec22a7e

    SHA512

    a4a05588d529f4a1534a64651e32650202463146aa52f2f9662dd1aac994183f5a22ee248d5521ae7c63296a541727331ada040f242d3512bd80ddeb8ccc5b2a

  • \Windows\SysWOW64\Cacacg32.exe

    Filesize

    363KB

    MD5

    dc49999288bf121f80a004a0c8891f65

    SHA1

    4906c528a9af5395cba9a81d317f70c25e82945f

    SHA256

    37d0fb9e62211a43f64608b30360635b7d1be3c71fe2c0939a7859c88ec22a7e

    SHA512

    a4a05588d529f4a1534a64651e32650202463146aa52f2f9662dd1aac994183f5a22ee248d5521ae7c63296a541727331ada040f242d3512bd80ddeb8ccc5b2a

  • \Windows\SysWOW64\Cacacg32.exe

    Filesize

    363KB

    MD5

    dc49999288bf121f80a004a0c8891f65

    SHA1

    4906c528a9af5395cba9a81d317f70c25e82945f

    SHA256

    37d0fb9e62211a43f64608b30360635b7d1be3c71fe2c0939a7859c88ec22a7e

    SHA512

    a4a05588d529f4a1534a64651e32650202463146aa52f2f9662dd1aac994183f5a22ee248d5521ae7c63296a541727331ada040f242d3512bd80ddeb8ccc5b2a

  • \Windows\SysWOW64\Cacacg32.exe

    Filesize

    363KB

    MD5

    dc49999288bf121f80a004a0c8891f65

    SHA1

    4906c528a9af5395cba9a81d317f70c25e82945f

    SHA256

    37d0fb9e62211a43f64608b30360635b7d1be3c71fe2c0939a7859c88ec22a7e

    SHA512

    a4a05588d529f4a1534a64651e32650202463146aa52f2f9662dd1aac994183f5a22ee248d5521ae7c63296a541727331ada040f242d3512bd80ddeb8ccc5b2a

  • memory/1492-0-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1492-6-0x0000000000220000-0x000000000024F000-memory.dmp

    Filesize

    188KB

  • memory/1492-59-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1836-25-0x0000000000220000-0x000000000024F000-memory.dmp

    Filesize

    188KB

  • memory/1836-20-0x0000000000220000-0x000000000024F000-memory.dmp

    Filesize

    188KB

  • memory/1836-60-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2132-32-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2132-35-0x0000000000220000-0x000000000024F000-memory.dmp

    Filesize

    188KB

  • memory/2612-54-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2648-52-0x00000000001B0000-0x00000000001DF000-memory.dmp

    Filesize

    188KB

  • memory/2648-62-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB